/**
 * #      1632
 * 名称   矩阵转换后的秩
 * 链接   https://leetcode-cn.com/problems/rank-transform-of-a-matrix
 * 题解   [24](https://leetcode-cn.com/problems/rank-transform-of-a-matrix/solution)
 * 通过率 28.7%
 * 难道   困难
 */

